CN105571879A - Tangential alternating stress testing equipment for hub of vehicle - Google Patents
Tangential alternating stress testing equipment for hub of vehicle Download PDFInfo
- Publication number
- CN105571879A CN105571879A CN201610103968.6A CN201610103968A CN105571879A CN 105571879 A CN105571879 A CN 105571879A CN 201610103968 A CN201610103968 A CN 201610103968A CN 105571879 A CN105571879 A CN 105571879A
- Authority
- CN
- China
- Prior art keywords
- wheel hub
- transmission lever
- torsion
- roller
- hub
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/013—Wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses tangential alternating stress testing equipment for a hub of a vehicle. The tangential alternating stress testing equipment comprises an electric motor, a speed reducer, a groove wheel, a pair of rollers, a pair of torsion transfer bars, a pair of compression springs and a hub torsion bar, wherein the torsion transfer bars are symmetrically arranged, one compression spring and one roller are respectively connected to two ends of the torsion transfer bar, the compression springs are symmetrically arranged on two sides of one end of the hub torsion bar, and the other end of the hub torsion bar is connected to the hub; the rollers are placed in the groove wheel and are driven to move up and down by the groove wheel; the rollers are linked with the torsion transfer bars, the two torsion transfer bars swing by taking a supporting point as the circle center to transfer an alternating force from the front end to the compression springs, and the force is transferred to the hub by the compression springs through the torsion transfer bars, so that the stress conditions of simulated starting, movement and braking of the hub of the vehicle in the alternating direction is caused by the hub.
Description
Technical field
The present invention relates to a kind of testing apparatus for testing vehicle wheel hub alternation tangential stress.
Background technology
Along with the development of society, vehicle has become the main trip instrument of people, and security performance and the personal life security of vehicle are closely bound up.And wheel hub is as the main parts of vehicle, bear whole gravity of vehicle and the various impulsive forces in advancing, particularly when starting with emergency brake, wheel hub can be subject to the effect of tangential force, this power is the power of an alternating capacity, and the power of this alternating capacity can cause distortion and the fatigue break of wheel hub.Wheel hub is once damage, and vehicle will be out of control, easily causes traffic hazard.
The patent of invention that application number is 201410497095.2 provides a kind of hub test of static strength instrument, can be tested out the static load ability to bear of hub reality by simulation.The ability to bear of wheel hub when this equipment can only test out static state, the ability to bear for the wheel hub in motion process then cannot test out.
Summary of the invention
For above problem, the invention provides a kind of vehicle hub alternation tangential stress testing apparatus, can test out wheel hub repeatedly frequent starting, motion and brake time ability to bear.
Technical scheme of the present invention is as follows:
A kind of vehicle hub alternation tangential stress testing apparatus, comprises motor, speed reduction unit, sheave, the first roller, the second roller, roller bracket, the first torsion transmission lever, the second torsion transmission lever, the first Compress Spring, the second Compress Spring, wheel hub torsion bar, the first column, the second column, clamping wheel hub pawl, clamping device, mounting platform;
Described motor of stating drives with described speed reduction unit and is connected, and described sheave and described speed reduction unit are rotationally connected, and link position is the rotation center of sheave, and the sheave center of circle does not overlap with described rotation center, and described sheave is provided with the circular trough with sheave concentric;
One end of described first Compress Spring, the second Compress Spring is vertically symmetricly set on two sides of described wheel hub torsion bar tail end.The other end of described first Compress Spring connects with the top of described first torsion transmission lever; The other end of described second Compress Spring connects with the top of described second torsion transmission lever;
Described first torsion transmission lever and described first column are rotationally connected, and described first torsion transmission lever tail end is connected with described first roller by described roller bracket, and the first roller is placed in the circular trough of described sheave;
Described second torsion transmission lever and described first torsion transmission lever are formed and are symmetrical arranged, described second torsion transmission lever and described second column are rotationally connected, described second torsion transmission lever tail end is connected with described second roller by described roller bracket, and the second roller is placed in the circular trough of described sheave;
Described wheel hub torsion bar top is connected with described clamping wheel hub pawl.
Further, described clamping device comprises grip block, clamping block holds, wheel hub pallet, screw rod, grip block and grip slipper hold screw and are connected, described wheel hub pallet connects with described screw rod, described screw rod lower end is provided with screw thread, described mounting platform is provided with corresponding threaded hole, and described screw rod connects with described mounting platform worm drive.
A kind of vehicle hub alternation tangential stress testing apparatus of the present invention, described first roller, the second roller are placed in described sheave, and described sheave drives the first roller, the second roller moves in groove, realizes moving up and down.Described first roller, second roller connects described first torsion and transmits fork, second torsion transmits fork, first torsion transmits fork, second torsion transmit fork with the first column, the tie point of the second column is that fulcrum does the center of circle and swings, front end is caused to transmit an alternating force to described first Compress Spring, second Compress Spring, first Compress Spring, second Compress Spring produces and passes to wheel hub by described wheel hub torsion bar with joint efforts, like this, the simulating vehicle wheel hub that wheel hub just creates alternating direction starts, the stress state of motion and brake, namely wheel hub can be tested out in startup, ability to bear when motion and brake.
By technique scheme, the present invention has following beneficial effect:
1, the present invention realizes full analogue simulation test, and device security is reliable;
2, the present invention is applicable to all vehicle hub forces testings, and test specification is wide;
3, can select relevant pressure spring according to the wheel hub force request of different size, pressure spring is changed convenient;
4, in the test of current wheel hub, not full analogue simulation test, method of testing of the present invention can as the new standard of wheel hub test, and the intensity of wheel hub can manufacture, for industry brings new expulsive force in quantitative instead of qualitative guidance.
Accompanying drawing explanation
Fig. 1 is the vertical view a of wheel hub vehicle hub alternation tangential stress testing apparatus when being subject to maximum clockwise torsion;
Fig. 2 is the vertical view b of wheel hub vehicle hub alternation tangential stress testing apparatus when being subject to maximum counterclockwise torsion;
Fig. 3 is the front view of vehicle hub alternation tangential stress testing apparatus;
Fig. 4 is vehicle hub alternation tangential stress testing apparatus right view;
Fig. 5 is the schematic diagram of gripping apparatus grips wheel hub.
In figure: 1, motor; 2, speed reduction unit; 3, sheave; 4, ring groove; 5, the first torsion transmission lever; 6, the second torsion transmission lever; 7, roller bracket; 8, the first roller; 9, the second roller; 10, the first vertical rod; 11, the second vertical rod; 12, the first pressure spring; 13, the second pressure spring; 14, wheel hub torsion bar; 15, rotation center; 16, round bar; 17, mounting platform; 18, wheel hub pawl is clamped; 19, grip block; 20, clamp block to hold; 21, wheel hub pallet; 22, screw rod; 23, wheel hub; 24, clamping device.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figures 1 to 5, a kind of vehicle hub alternation tangential stress testing apparatus comprises motor 1, speed reduction unit 2, sheave 3, first roller 8, second roller 9, first torsion transmission lever 5, second torsion transmission lever 6, first Compress Spring 12, second Compress Spring 13, wheel hub torsion bar 14, first column 10, second column 11, clamping wheel hub pawl 18, clamping device 24, mounting platform 17.
Described motor 1, speed reduction unit 2, first column 10, second column 11, clamping device 24 are installed in above mounting platform 17.
Described motor 1 drives with described speed reduction unit 2 and is connected, and described sheave 3 is rotationally connected with speed reduction unit 2, and link position is the rotation center 15 of sheave 3, and the sheave center of circle does not overlap with rotation center 15, when sheave 3 operates, forms a kind of running orbit of off-centre operation.Described sheave 3 is provided with the circular trough 4 with sheave concentric.
One end of described first Compress Spring 12, second Compress Spring 13 is vertically symmetricly set on two sides of described wheel hub torsion bar 14 tail end.The other end of described first Compress Spring 12 connects with the top of described first torsion transmission lever 5; The other end of described second Compress Spring 13 connects with the top of described second torsion transmission lever 6.
Described first torsion transmission lever 5 is rotationally connected, when the first torsion transmission lever 5 is moved, with the tie point with the first column 10 for rotating fulcrum with described first column 10.Described first torsion transmission lever 5 tail end is connected with the first roller 8 by roller bracket 7, and the first roller 8 is placed in the circular trough 4 of sheave 3.
Described second torsion transmission lever 6 and the first torsion transmission lever 5 are formed and are symmetrical arranged.Described second torsion transmission lever 6 is rotationally connected, when the second torsion transmission lever 6 is moved, with the tie point with the second column 11 for rotating fulcrum with described second column 11.Described second torsion transmission lever 6 tail end is connected with the second roller 9 by roller bracket 7, and the second roller 9 is placed in the circular trough 4 of sheave 3.
The other end of described wheel hub torsion bar 14 connects with described clamping wheel hub pawl 18.Described clamping wheel hub pawl 18 blocks the connection part office of wheel hub 23 spoke and inner circle.
Further, in order to make the first column 10, second column 11 not shake when this equipment runs, connecting with a round bar 16 between, adding steadiness.
Further, described clamping device comprises grip block 19, clamping block holds 20, wheel hub pallet 21, screw rod 22, and grip block 19 and grip slipper hold 20 and be connected with screw, and wheel hub pallet 21 connects with screw rod 22.Screw rod 22 lower end is provided with screw thread, and mounting platform 17 is provided with corresponding threaded hole, and screw rod 22 by mounting platform 17 worm drive, thus promotes moving up and down of wheel hub pallet 21.
During equipment work, first wheel hub pallet 21 is rotated through screw rod 22 and come downwards to and can place wheel hub, wheel hub 23 is placed on wheel hub pallet 21, with grip block 19, wheel hub 23 is locked, to clamp card jail, wheel hub pawl 18 one end again on wheel hub 23, the other end connects with wheel hub torsion bar 14.Now complete the clamping to wheel hub 23.
After described engine 1 runs, drive described speed reduction unit 2 to operate, speed reduction unit 2 drives sheave 3 to rotate, and because the center of circle of sheave 3 does not overlap with rotation center 15, when sheave 3 operates, forms a kind of running orbit of off-centre operation.Described first roller 8, second roller 9, under the drive of sheave 3, moves up and down.
Along with sheave 3 rotates, when the first roller 8 is toward when moving away from rotation center 15 direction, the top of the first torsion transmission lever 5 gradually reduces to the first Compress Spring 12, and at this moment the second roller 8 moves toward close rotation center 15 direction, the top of the second torque arm 6 is unclamped gradually to the second Compress Spring 13, when the decrement of the first spring 12 is greater than the second spring 13 decrement, first spring 12 is formed with the second spring 13 makes a concerted effort, be delivered to clamping wheel hub pawl 18 by wheel hub torsion bar 14, wheel hub pawl 18 pairs of wheel hubs 23 form a clockwise torsion.With reference to the equipment running status shown in figure 1, now the clockwise torsion that is subject to of wheel hub 23 is maximum.
When the first roller 8 is toward during near the motion of rotation center 15 direction, the top of the first torsion transmission lever 5 is unclamped gradually to the first Compress Spring 12, and at this moment the second roller 9 toward when moving away from rotation center 15 direction, the top of the second torque arm 6 compresses gradually to the second Compress Spring 13, when the decrement of the second spring 13 is greater than the decrement of the first spring 12, first spring 12 is formed with the second spring 13 makes a concerted effort, be delivered to clamping wheel hub pawl 18 by wheel hub torsion bar 14, clamping wheel hub pawl 18 pairs of wheel hubs 23 form a counterclockwise torsion.With reference to the equipment running status shown in figure 2, now the counterclockwise torsion that is subject to of wheel hub 23 is maximum.
Known to above-mentioned, when the present invention works, by analog simulation, wheel hub 23 is subject to a kind of effect of power of alternating capacity, thus ability to bear when can detect wheel hub 23 repeatedly frequent starting in practice, motion and brake.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (2)
1. a vehicle hub alternation tangential stress testing apparatus, is characterized in that: comprise motor, speed reduction unit, sheave, the first roller, the second roller, roller bracket, the first torsion transmission lever, the second torsion transmission lever, the first Compress Spring, the second Compress Spring, wheel hub torsion bar, the first column, the second column, clamping wheel hub pawl, clamping device, mounting platform;
Described motor drives with described speed reduction unit and is connected, and described sheave and described speed reduction unit are rotationally connected, and link position is the rotation center of sheave, and the sheave center of circle does not overlap with described rotation center, and described sheave is provided with the circular trough with sheave concentric;
One end of described first Compress Spring, the second Compress Spring is vertically symmetricly set on two sides of described wheel hub torsion bar tail end, and the other end of described first Compress Spring connects with the top of described first torsion transmission lever; The other end of described second Compress Spring connects with the top of described second torsion transmission lever;
Described first torsion transmission lever and described first column are rotationally connected, and described first torsion transmission lever tail end is connected with described first roller by described roller bracket, and the first roller is placed in the circular trough of described sheave;
Described second torsion transmission lever and the first torsion transmission lever are formed and are symmetrical arranged, described second torsion transmission lever and described second column are rotationally connected, described second torsion transmission lever tail end is connected with the second roller by described roller bracket, and the second roller is placed in the circular trough of described sheave;
Described wheel hub torsion bar top is connected with described clamping wheel hub pawl.
2. a kind of vehicle hub alternation tangential stress testing apparatus according to claim 1, it is characterized in that: described clamping device comprises grip block, clamping block holds, wheel hub pallet, screw rod, grip block and grip slipper hold screw and are connected, described wheel hub pallet connects with described screw rod, described screw rod lower end is provided with screw thread, connects with described mounting platform worm drive.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610103968.6A CN105571879A (en) | 2016-02-25 | 2016-02-25 | Tangential alternating stress testing equipment for hub of vehicle |
| CN201810144698.2A CN108489739A (en) | 2016-02-25 | 2016-07-27 | A kind of vehicle hub alternation tangential stress mechanism for testing |
| CN201610600609.1A CN106289812B (en) | 2016-02-25 | 2016-07-27 | A kind of vehicle hub alternation tangential stress test equipment |
| CN201810144731.1A CN108466195A (en) | 2016-02-25 | 2016-07-27 | A kind of clamping device for testing vehicle hub alternation tangential stress |
| CN201810144718.6A CN108195602A (en) | 2016-02-25 | 2016-07-27 | A kind of vehicle hub alternation tangential stress test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610103968.6A CN105571879A (en) | 2016-02-25 | 2016-02-25 | Tangential alternating stress testing equipment for hub of vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105571879A true CN105571879A (en) | 2016-05-11 |
Family
ID=55882265
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610103968.6A Pending CN105571879A (en) | 2016-02-25 | 2016-02-25 | Tangential alternating stress testing equipment for hub of vehicle |
| CN201810144698.2A Pending CN108489739A (en) | 2016-02-25 | 2016-07-27 | A kind of vehicle hub alternation tangential stress mechanism for testing |
| CN201610600609.1A Expired - Fee Related CN106289812B (en) | 2016-02-25 | 2016-07-27 | A kind of vehicle hub alternation tangential stress test equipment |
| CN201810144718.6A Pending CN108195602A (en) | 2016-02-25 | 2016-07-27 | A kind of vehicle hub alternation tangential stress test equipment |
| CN201810144731.1A Pending CN108466195A (en) | 2016-02-25 | 2016-07-27 | A kind of clamping device for testing vehicle hub alternation tangential stress |
Family Applications After (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810144698.2A Pending CN108489739A (en) | 2016-02-25 | 2016-07-27 | A kind of vehicle hub alternation tangential stress mechanism for testing |
| CN201610600609.1A Expired - Fee Related CN106289812B (en) | 2016-02-25 | 2016-07-27 | A kind of vehicle hub alternation tangential stress test equipment |
| CN201810144718.6A Pending CN108195602A (en) | 2016-02-25 | 2016-07-27 | A kind of vehicle hub alternation tangential stress test equipment |
| CN201810144731.1A Pending CN108466195A (en) | 2016-02-25 | 2016-07-27 | A kind of clamping device for testing vehicle hub alternation tangential stress |
Country Status (1)
| Country | Link |
|---|---|
| CN (5) | CN105571879A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108593272A (en) * | 2016-07-05 | 2018-09-28 | 潘唯锡 | The test equipment of vehicle hub alternation stress bending |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113959738B (en) * | 2020-07-20 | 2024-06-14 | 广州汽车集团股份有限公司 | Hub fracture test tool, simulation method and simulation device |
| CN113405717B (en) * | 2021-07-22 | 2023-07-07 | 广东新环机电装备制造有限公司 | Torsion detecting device adopting spring reset |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5033003A (en) * | 1990-06-01 | 1991-07-16 | Illinois Tool Works Inc. | Wheel measuring machine |
| DE102004041590B3 (en) * | 2004-08-26 | 2005-12-29 | Ief Werner Gmbh | Vehicle wheel test clamp and rotation unit uses clamp rod with stepped ring and conical interface central support |
| CN2814327Y (en) * | 2005-06-08 | 2006-09-06 | 孙慧平 | Vehicle hub detecting machine |
| CN201051049Y (en) * | 2007-06-29 | 2008-04-23 | 丹东华日理学电气有限公司 | Wheel hub and tyre detection clamping and rotary device |
| CN202204666U (en) * | 2011-08-04 | 2012-04-25 | 中国第一汽车股份有限公司 | Fatigue life testing apparatus for hub rack of passenger vehicle |
| CN103175702B (en) * | 2011-12-20 | 2015-04-22 | 南车青岛四方机车车辆股份有限公司 | Fatigue test device and method for axle |
| DE102012112250A1 (en) * | 2012-12-13 | 2014-07-03 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Device for inspecting screw connections of wheel compound systems in vehicle, has urging element applying force to test element for simulating driving torque while another element applies force to element to simulate braking torque |
| CN103175692A (en) * | 2013-03-11 | 2013-06-26 | 中国人民解放军第二炮兵装备研究院第三研究所 | Integrated dynamic vehicle performance test platform and integrated dynamic vehicle performance test method |
| KR101478122B1 (en) * | 2013-04-10 | 2014-12-31 | 최병옥 | Wheel hub measurement tester for vehicles |
| KR101478433B1 (en) * | 2013-04-10 | 2014-12-31 | 최병옥 | Wheel hub of tap measurement tester for vehicles |
| CN203557069U (en) * | 2013-10-31 | 2014-04-23 | 刘湘平 | Hub positioning device of hub welding machine |
| CN203688187U (en) * | 2013-12-31 | 2014-07-02 | 浙江吉利控股集团有限公司 | Eccentric shock-excitation vibration table |
| CN104142245B (en) * | 2014-08-25 | 2016-08-24 | 洛阳工铭机电设备有限公司 | The charger of automobile hub bearing periodically dynamic testing machine |
| CN104236922A (en) * | 2014-09-25 | 2014-12-24 | 海宁佳盛汽车零部件有限公司 | Static strength tester for hub unit |
| CN104634686B (en) * | 2015-03-10 | 2017-05-03 | 中国矿业大学 | Twisted-type hoister steel wire rope interlayer friction detection device and method |
| CN104764606B (en) * | 2015-04-23 | 2017-08-29 | 北京福田戴姆勒汽车有限公司 | A kind of axle hub assembly performance test device |
| CN104792970B (en) * | 2015-04-23 | 2016-08-24 | 中国石油天然气股份有限公司勘探开发研究院廊坊分院 | Multicycle alternate stress fault simulation test device |
| CN205020734U (en) * | 2015-09-24 | 2016-02-10 | 泉州利达机器有限公司 | Rotatory elevating platform of wheel hub rolling machine |
| CN105258956B (en) * | 2015-11-16 | 2017-08-25 | 辽宁工业大学 | Variable simulated roadway device and vehicle rotating hub durable test stand and test method |
-
2016
- 2016-02-25 CN CN201610103968.6A patent/CN105571879A/en active Pending
- 2016-07-27 CN CN201810144698.2A patent/CN108489739A/en active Pending
- 2016-07-27 CN CN201610600609.1A patent/CN106289812B/en not_active Expired - Fee Related
- 2016-07-27 CN CN201810144718.6A patent/CN108195602A/en active Pending
- 2016-07-27 CN CN201810144731.1A patent/CN108466195A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108593272A (en) * | 2016-07-05 | 2018-09-28 | 潘唯锡 | The test equipment of vehicle hub alternation stress bending |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106289812B (en) | 2018-03-16 |
| CN108466195A (en) | 2018-08-31 |
| CN108489739A (en) | 2018-09-04 |
| CN108195602A (en) | 2018-06-22 |
| CN106289812A (en) | 2017-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105571879A (en) | Tangential alternating stress testing equipment for hub of vehicle | |
| CN103010890B (en) | A kind of elevator governor | |
| CN104016205B (en) | Lift facility | |
| CN203784143U (en) | Brake device of winding machine | |
| CN203143862U (en) | Elevator speed limiter | |
| CN107389242A (en) | A kind of staircase main drive shaft brake torque test machine and method of testing | |
| CN104555633A (en) | Double-jaw steel wire rope clamping device | |
| CN107247232B (en) | Variable speed motor loading test equipment | |
| CN105449589A (en) | Wire clamping device for preventing lead from slipping away during tension stringing | |
| CN103058019B (en) | Batch line sending capstan winch | |
| CN202182854U (en) | Device for exerting axial tension during torsion bar fatigue test of power steering gear | |
| CN217102578U (en) | Elevator car safety tongs and experimental display device of overspeed governor linkage | |
| CN215946422U (en) | Speed limiter detection device | |
| CN103334618A (en) | Chain-breaking protection mechanism of non-avoidance three-dimensional parking equipment | |
| CN113188925B (en) | Experimental device and experimental method for testing effectiveness of line backup wire clamp | |
| CN206470136U (en) | Wire harness winds experimental facilities | |
| CN213688751U (en) | Be used for car braking clearance adjustment arm control arm tensile test device | |
| CN107963530A (en) | A kind of limiter of speed detection device that can adapt to a variety of elevator models | |
| CN103308321A (en) | ABS (Anti-lock Braking System) performance detection test bed capable of controlling adhesive force of cylinder for automobile | |
| CN210923353U (en) | Impact testing machine | |
| CN204096800U (en) | A kind of two jaw clamping device for steel cable | |
| CN106936275B (en) | A kind of stator winder outgoing line fixing device and its method | |
| CN103058018B (en) | The wire structures of line sending capstan winch | |
| CN210173596U (en) | Mechanical clamping jaw capable of grabbing objects of any shape | |
| CN208812884U (en) | A kind of automobile axle support shaft casing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160511 |